[patch] zfs sysctl patch

Benedict Reuschling bcr at FreeBSD.org
Thu May 22 14:11:38 UTC 2014


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Am 22.05.14 07:31, schrieb Allan Jude:
> On 2014-05-22 01:21, Charles Sprickman wrote:
>> On May 22, 2014, at 12:25 AM, Warren Block <wblock at wonkity.com>
>> wrote:
>> 
>>> On Wed, 21 May 2014, Allan Jude wrote:
>>> 
>>>> A recent commit (r266497 by smh) added a number of new
>>>> sysctls for ZFS
>>>> 
>>>> Two of these had minor typos, and the phrasing of another was
>>>> very awkward.
>>>> 
>>>> ---------------
>>>> 
>>>> Improve sysctl descriptions for: vfs.zfs.dirty_data_max 
>>>> vfs.zfs.dirty_data_max_max vfs.zfs.dirty_data_sync
>>> 
>>> Nice.  Approved for the doc side, but please also get approval
>>> from smh.
>> 
>> Vaguely OT, but where in the docs will the descriptions of these 
>> tunables land?
>> 
>> And is there any place in the docs where all zfs tunables are 
>> collected (eg: sysctl vars and loader.conf vars)?
>> 
>> Thanks!
>> 
>> Charles
>> 
>>> _______________________________________________ 
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>>> http://lists.freebsd.org/mailman/listinfo/freebsd-fs To
>>> unsubscribe, send any mail to
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>> 
> 
> These descriptions are in 'sysctl -d'
> 
> There are descriptions of many of the important sysctls going into
> the docs, although it is not committed yet. You can preview here:
> 
> http://www.allanjude.com/zfs_handbook/zfs-advanced.html
> 
> 

DES was working on a system to automatically extract all the sysctls
and their descriptions (if present) and export the to doc. Last time
he said he had a showstopper, but that was at last years EuroBSDcon
when I asked him and I didn't get to ask him last week at BSDCan.
Although I think that he is too busy with other stuff. However, I
think this is worthwile to pursue and maybe someone can pick it up
from him.

For now, the 'sysctl -d' command can be used as described above.

Cheers

Benedict
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